Chemistry (General Concepts) MCQs with Answers

The periodic table consists of _?

• A.7 horizontal series, 18 vertical series and 4 blocks
• B.8 horizontal series, 16 vertical series and 4 blocks
• C.7 horizontal series, 16 vertical series and 3 blocks
• D.6 horizontal series, 18 vertical series and 4 blocks

Bronsted acid is a proton ?

• A.Acceptor
• B.Donor
• C.Neutralizer
• D.Carrier

Linear shape is associated with which hybridization?

• A.sp
• B.sp²
• C.sp³
• D.sp³d

Who was the first scientist to arrange elements in different categories?

• A.John Dalton
• B.Dmitri Mendeleev
• C.Antoine Lavoisier
• D.Henry Moseley

The boiling point of ammonia (NH₃) is greater than that of phosphine (PH₃) due to the:

• A.Ionic bonding in ammonia
• B.Larger molecular size of ammonia
• C.Higher molecular weight of ammonia
• D.Hydrogen bonding in ammonia

The unit of molar volume is?

• A.L/g
• B.mol/L
• C.g/mol
• D.L/mol

Molecular mass of water (18g) means?

• A.1-mole molecules of water
• B.1 molecule of water
• C.1 gram of water
• D.18 molecules of water

The chemical analysis in which all the elements present in a compound are identified is called?

• A.Quantitative analysis
• B.Volumetric analysis
• C.Qualitative analysis
• D.Gravimetric analysis

Which one of the following is an oxidizing agent?

• A.C
• B.H2
• C.Na
• D.Cl2

The weakest (in strength) of the following intermolecular forces is?

• A.Hydrogen bond
• B.Ionic bond
• C.Vander Waals force
• D.Covalent bond